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    <table border="1" cellspacing="0" cellpadding="0">
        <caption>三年级一班课程表</caption>
        <tr>
            <th></th>
            <th>星期一</th>
            <th>星期二</th>
            <th>星期三</th>
            <th>星期四</th>
            <th>星期五</th>
        </tr>
        <tr>
            <td rowspan="2">上午</td>
            <td>语文</td>
            <td>数学</td>
            <td>英语</td>
            <td>美术</td>
            <td>音乐</td>
        </tr>

        <tr>
            <td>数学 </td>
            <td>英语</td>
            <td>语文</td>
            <td>体育</td>
            <td>生物</td>
        </tr>

        <tr>
            <td rowspan="2">下午</td>
            <td>英语</td>
            <td>语文</td>
            <td>数学</td>
            <td rowspan="2" colspan="2">自习</td>
        </tr>

        <tr>
            <td>物理 </td>
            <td>化学</td>
            <td>历史</td>

        </tr>

    </table>

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